Dyfyniad APA

Page, R. C., & Gardener, W. A. (1971). Petrolium tankship safety. Maritime press.

Dyfyniad Arddull Chicago

Page, R C., and Ward A. Gardener. Petrolium Tankship Safety. United Kingdom: Maritime press, 1971.

Dyfyniad MLA

Page, R C., and Ward A. Gardener. Petrolium Tankship Safety. Maritime press, 1971.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.